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Compressible (shrinkable) Insulation EPS

The versatile performance properties of EPS make it suitable for use in below-level applications beyond its service as an insulation material. Its function as an insulation material providing constant long-term thermal resistance, makes EPS the top most construction material to be used for protecting structural elements. Compressible EPS can be employed as lightweight fill material to reduce loads on subsoils or structures or as a structural material between foundations, retaining wall infilling and to support road construction.

Expanded Polystyrene Insulation (EPS) applied over damp-proofing or waterproofing coatings on foundation walls protects them from damage by providing a monolithic insulation layer to reduce thermal stresses that can cause cracking of concrete walls. The EPS smooth surface additionally acts as a capillary-breaking layer to direct water to drainage. The grooved surface of EPS also provides an additional drainage plane to relieve any hydrostatic pressure that may develop adjacent to the foundation wall and also direct water to the drainage. EPS offers a monolithic insulation layer applied below the concrete slab as part of new construction reduces heat loss and results in a uniform floor surface temperature.

Utility lines are usually placed below the level where frost penetration into the soil is expected to prevent water freezing in them. These utility lines can be insulated with EPS at the time of installation to increase the duration the pipe can store still water before freezing. EPS can significantly reduce loads on buried utility lines because it is very much lighter than other traditional fills with similar compressive resistance properties.

Compressible EPS is a low density expanded polystyrene compressible-fill material which can be used to reduce the pressure exerted on reinforced concrete ground beams or on the vertical face of concrete foundations, caused by the expansions of clay soils--clay heave--during the life of the structure. It is usually used as permanent shuttering for cast in-situ reinforced concrete, around ground beams in piled foundations, and on the sides of trench fills. 

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Brand: Jablite Model and Size: 2400x1200mm - 2.88m2
Delivery Time: 1-3 working days
50mm Claymaster is an EPS compressible-fill material which can be used to prevent potential problems in foundations due to moisture movement in soils which contain a large proportion of mineral particles below 0.002mm (clay heave). The material can be used as permanent shuttering for cast in-situ re..
£25.50
£30.60 inc VAT
Brand: Kay-Metzeler Model and Size: 1200x2400 - 2.88m2
Delivery Time: 2 - 3 working days
50mm Claylite is a low density expanded polystyrene compressible-fill material which can be used to reduce the pressure exerted on reinforced concrete ground beams or on the vertical face of concrete foundations, caused by the expansions of clay soils (clay heave) during the life of the st..
£20.46
£24.55 inc VAT
85mm Cellcore HX B Under Beam EPS
Guide Price
Brand: Cordek Model and Size: HX B 85mm - 2.88m2
Delivery Time: 3 - 7 days
85mm Cellcore HX B Under Beam is specially designed to provide foundation protection from ground heave effects when installed beneath reinforced ground beams and pile caps. It is consisted of specially moulded hexagonal cellular Filcor expended polystyrene, available in a number of different de..
90mm Cellcore HX S Under Slab EPS
Guide Price
Brand: Cordek Model and Size: HX S 90mm - 2.88m2
Delivery Time: 3 - 7 days
90mm Cellcore HX S is a product specially designed to provide foundation protection from ground heave effects when installed under reinforced concrete floor slabs. It is consisted of specially moulded hexagonal cellular expended polystyrene, available in a number of different depths and grades. Grou..
50mm Heaveguard - Expanded Polystyrene Board Used Against Ground Heave - 2400mm x 1200mm
Guide Price
Brand: Cordek Model and Size: 2400x1200mm - 2.88m2
Delivery Time: 2 - 3 working days
50mm Heaveguard is a compressible low density Expanded Polystyrene (EPS) board, used when foundations need to be protected against ground heave and against lateral heave. Heaveguard is used to prevent potential problems in foundations due to moisture movement in soils, such as clay he..
Filcor - Expanded Polystyrene (EPS) Structural Fill Material
Guide Price
Brand: Cordek Model and Size: Filcor EPS
Delivery Time: 3 - 5 days
Filcor EPS is an Expanded Polystyrene lightweight structural fill alternative to more traditional fill materials or as a lightweight void former in structural concrete. The standard (and  the maximum) sheet or block size is 2400mm long x 1200mm wide x required thickness. The thicknesses fr..
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